Secondary battery and method of manufacturing therefor
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United States of America Patent
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Jul 6, 2021
Grant Date -
Sep 6, 2018
app pub date -
Aug 25, 2016
filing date -
Aug 28, 2015
priority date (Note) -
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Abstract
The present invention relates to a secondary battery having the electrode structure and a method of manufacturing therefor, the electrode structure according to an embodiment of the present invention may comprise an electrode assembly including a cathode layer, an anode layer facing the cathode layer, and a separation film disposed between the cathode layer and the anode layer; an exterior body including a upper exterior layer having an outer sealing part of which at least a portion of or whole edges are adhered so as to accommodate the electrode assembly and an electrolyte therein, and a lower exterior layer; a battery penetration part forming openings from the upper exterior layer to the lower exterior layer; and an inner sealing part in which facing portions of the upper exterior layer and the lower exterior layer of external periphery of the battery penetration part are adhered each other.
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